checkpoint

check +‎ point

checkpoint (plural checkpoints)

1. A point or place where a check is performed, especially a point along a road or on a frontier where travellers are stopped for inspection

   The travellers were stopped at the checkpoint.

   • 2014, Paul Salopek, Blessed. Cursed. Claimed., National Geographic (December 2014)

     A few days later I ford the Jordan River on a bus: Foot travel across Allenby Bridge checkpoint is strictly prohibited.

2. (computing) A situation, often represented by a point in time, at which the state of a database system is known to be valid, and to which it can be returned in the event of a crisis by using a combination of backups and logs; the data stored at this event.

   After the crash, we rolled back the database to the last checkpoint.

3. (video games) A predetermined point in a map, level or scenario that the player may resume from if they die or restart from if they choose to.

   You can't finish the race if you haven't passed all of the checkpoints on the track.

   • 2010 March 8, Zachary Levi as Chuck Bartowski, Chuck Versus the Beard (Chuck), season 3, episode 9, 20:40:

     This is not a videogame, this is real life! People get hurt! There is no restart from last checkpoint.

• checkpoint protein
• immunocheckpoint

checkpoint (third-person singular simple present checkpoints, present participle checkpointing, simple past and past participle checkpointed)

1. To set a checkpoint.

checkpoint c

1. A checkpoint